Structural Evaluation of Flexible Pavement using Falling Weight Deflectometer
Prashant R. Pambhar
Student of Final year, M. Tech (Transportation System Engineering), B.V.M. Engineering College, Vallabh Vidyanagar, Gujarat, India , IN
Dr. L.B. Zala
Student of Final year, M. Tech (Transportation System Engineering), B.V.M. Engineering College, Vallabh Vidyanagar, Gujarat, India , IN
Amit A Amin
Student of Final year, M. Tech (Transportation System Engineering), B.V.M. Engineering College, Vallabh Vidyanagar, Gujarat, India , IN
Keywords: Structural Evaluation, Falling Weight Deflectometer, Overlay Design, Flexible Pavement, KGPBACK Software, IITPAVE.
Abstract
This In recent years, one of the non-destructive test method to evaluate pavements is Falling Weight Deflectometer (FWD) method. In order to provide high quality and consistent material stiffness data for the Mechanistic-Empirical Pavement Design the deflection results obtained at radial distance in between 0 and 1800 mm, through geophone in FWD is highly useful. The main objectives of this study are to analyse the FWD test results of flexible pavement in NH-8 it starts from Kamrej 0.000 Km and ends at Chalthan 16.350 Km, to forecast the pavement structural capacity and subsequent overlay design. Collected data comprises, FWD deflection basin, test pit data and pavement condition survey, classified volume survey and weather data. These surface deflections basins are later used
to evaluate the structural capacity of the existing pavement. KGPBACK was used for back-calculation
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